./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b71d0221e52ad3170b58f60abcb38413b01772c1 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:10:30,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:10:30,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:10:30,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:10:30,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:10:30,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:10:30,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:10:30,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:10:30,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:10:30,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:10:30,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:10:30,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:10:30,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:10:30,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:10:30,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:10:30,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:10:30,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:10:30,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:10:30,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:10:30,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:10:30,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:10:30,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:10:30,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:10:30,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:10:30,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:10:30,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:10:30,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:10:30,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:10:30,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:10:30,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:10:30,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:10:30,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:10:30,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:10:30,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:10:30,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:10:30,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:10:30,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:10:30,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:10:30,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:10:30,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:10:30,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:10:30,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:10:30,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:10:30,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:10:30,291 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:10:30,292 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:10:30,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:10:30,293 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:10:30,294 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:10:30,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:10:30,294 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:10:30,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:10:30,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:10:30,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:10:30,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:10:30,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:10:30,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:10:30,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:10:30,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:10:30,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:10:30,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:10:30,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:10:30,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:10:30,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:10:30,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:10:30,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:10:30,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:10:30,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:10:30,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:10:30,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:10:30,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:10:30,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:10:30,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b71d0221e52ad3170b58f60abcb38413b01772c1 [2021-10-13 00:10:30,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:10:30,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:10:30,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:10:30,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:10:30,647 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:10:30,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 00:10:30,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/data/22c8efd04/108ff47c408b42bdbdf19d5f095336c5/FLAG0344f9201 [2021-10-13 00:10:31,572 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:10:31,572 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c [2021-10-13 00:10:31,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/data/22c8efd04/108ff47c408b42bdbdf19d5f095336c5/FLAG0344f9201 [2021-10-13 00:10:31,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/data/22c8efd04/108ff47c408b42bdbdf19d5f095336c5 [2021-10-13 00:10:31,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:10:31,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:10:31,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:31,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:10:31,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:10:31,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:31" (1/1) ... [2021-10-13 00:10:31,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55769ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:31, skipping insertion in model container [2021-10-13 00:10:31,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:10:31" (1/1) ... [2021-10-13 00:10:31,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:10:31,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:10:32,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 00:10:32,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:32,411 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:10:32,435 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/sv-benchmarks/c/product-lines/minepump_spec5_product36.cil.c[1817,1830] [2021-10-13 00:10:32,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:10:32,524 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:10:32,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32 WrapperNode [2021-10-13 00:10:32,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:10:32,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:32,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:10:32,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:10:32,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:10:32,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:10:32,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:10:32,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:10:32,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:10:32,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:10:32,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:10:32,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:10:32,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (1/1) ... [2021-10-13 00:10:32,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:10:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:32,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:10:32,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:10:32,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:10:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:10:32,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:10:32,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:10:34,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:10:34,091 INFO L299 CfgBuilder]: Removed 116 assume(true) statements. [2021-10-13 00:10:34,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:34 BoogieIcfgContainer [2021-10-13 00:10:34,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:10:34,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:10:34,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:10:34,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:10:34,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:10:31" (1/3) ... [2021-10-13 00:10:34,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f898a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:10:34, skipping insertion in model container [2021-10-13 00:10:34,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:10:32" (2/3) ... [2021-10-13 00:10:34,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f898a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:10:34, skipping insertion in model container [2021-10-13 00:10:34,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:34" (3/3) ... [2021-10-13 00:10:34,109 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2021-10-13 00:10:34,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:10:34,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:10:34,201 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:10:34,215 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:10:34,215 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:10:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:34,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:10:34,258 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:34,259 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:34,260 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:34,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:34,269 INFO L82 PathProgramCache]: Analyzing trace with hash 795545809, now seen corresponding path program 1 times [2021-10-13 00:10:34,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:34,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046450230] [2021-10-13 00:10:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:34,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:34,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:34,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046450230] [2021-10-13 00:10:34,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046450230] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:34,714 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:34,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:10:34,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150364677] [2021-10-13 00:10:34,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:10:34,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:34,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:10:34,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:10:34,764 INFO L87 Difference]: Start difference. First operand has 89 states, 85 states have (on average 1.5529411764705883) internal successors, (132), 88 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:34,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:34,813 INFO L93 Difference]: Finished difference Result 171 states and 256 transitions. [2021-10-13 00:10:34,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:10:34,815 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 00:10:34,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:34,831 INFO L225 Difference]: With dead ends: 171 [2021-10-13 00:10:34,832 INFO L226 Difference]: Without dead ends: 85 [2021-10-13 00:10:34,837 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:10:34,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-13 00:10:34,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-13 00:10:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 84 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2021-10-13 00:10:34,920 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 19 [2021-10-13 00:10:34,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:34,921 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2021-10-13 00:10:34,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2021-10-13 00:10:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:10:34,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:34,923 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:34,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:10:34,924 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:34,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:34,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1693401934, now seen corresponding path program 1 times [2021-10-13 00:10:34,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:34,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134155908] [2021-10-13 00:10:34,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:34,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:35,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:35,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134155908] [2021-10-13 00:10:35,133 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134155908] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:35,133 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:35,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:10:35,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221085134] [2021-10-13 00:10:35,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:10:35,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:35,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:10:35,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:35,140 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:35,171 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2021-10-13 00:10:35,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:10:35,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-13 00:10:35,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:35,175 INFO L225 Difference]: With dead ends: 85 [2021-10-13 00:10:35,176 INFO L226 Difference]: Without dead ends: 40 [2021-10-13 00:10:35,178 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:35,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-10-13 00:10:35,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-13 00:10:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.435897435897436) internal successors, (56), 39 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 56 transitions. [2021-10-13 00:10:35,192 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 56 transitions. Word has length 20 [2021-10-13 00:10:35,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:35,193 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 56 transitions. [2021-10-13 00:10:35,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,193 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2021-10-13 00:10:35,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:10:35,196 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:35,196 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:35,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:10:35,197 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:35,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:35,211 INFO L82 PathProgramCache]: Analyzing trace with hash -657926814, now seen corresponding path program 1 times [2021-10-13 00:10:35,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:35,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457907441] [2021-10-13 00:10:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:35,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:35,425 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:35,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457907441] [2021-10-13 00:10:35,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457907441] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:35,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:35,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:10:35,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799363644] [2021-10-13 00:10:35,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:10:35,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:35,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:10:35,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:10:35,444 INFO L87 Difference]: Start difference. First operand 40 states and 56 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:35,588 INFO L93 Difference]: Finished difference Result 99 states and 143 transitions. [2021-10-13 00:10:35,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:10:35,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-13 00:10:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:35,596 INFO L225 Difference]: With dead ends: 99 [2021-10-13 00:10:35,598 INFO L226 Difference]: Without dead ends: 66 [2021-10-13 00:10:35,599 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 76.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:10:35,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-10-13 00:10:35,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2021-10-13 00:10:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2021-10-13 00:10:35,614 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 26 [2021-10-13 00:10:35,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:35,616 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2021-10-13 00:10:35,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2021-10-13 00:10:35,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-13 00:10:35,619 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:35,619 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:35,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:10:35,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:35,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:35,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1225410363, now seen corresponding path program 1 times [2021-10-13 00:10:35,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:35,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504596919] [2021-10-13 00:10:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:35,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:35,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:35,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504596919] [2021-10-13 00:10:35,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504596919] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:35,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:35,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:10:35,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496353297] [2021-10-13 00:10:35,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:10:35,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:35,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:10:35,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:35,766 INFO L87 Difference]: Start difference. First operand 62 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:35,826 INFO L93 Difference]: Finished difference Result 141 states and 205 transitions. [2021-10-13 00:10:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:10:35,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-13 00:10:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:35,834 INFO L225 Difference]: With dead ends: 141 [2021-10-13 00:10:35,835 INFO L226 Difference]: Without dead ends: 86 [2021-10-13 00:10:35,836 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:35,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-13 00:10:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2021-10-13 00:10:35,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2021-10-13 00:10:35,866 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 27 [2021-10-13 00:10:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:35,867 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2021-10-13 00:10:35,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2021-10-13 00:10:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-13 00:10:35,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:35,871 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:35,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:10:35,872 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:35,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:35,874 INFO L82 PathProgramCache]: Analyzing trace with hash -88733333, now seen corresponding path program 1 times [2021-10-13 00:10:35,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:35,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121787249] [2021-10-13 00:10:35,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:35,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:36,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:36,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121787249] [2021-10-13 00:10:36,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121787249] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:36,021 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:36,022 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:36,022 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779730388] [2021-10-13 00:10:36,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:10:36,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:36,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:10:36,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:10:36,026 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:36,229 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2021-10-13 00:10:36,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:10:36,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-10-13 00:10:36,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:36,233 INFO L225 Difference]: With dead ends: 273 [2021-10-13 00:10:36,233 INFO L226 Difference]: Without dead ends: 196 [2021-10-13 00:10:36,238 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 45.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:10:36,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-13 00:10:36,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 82. [2021-10-13 00:10:36,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.382716049382716) internal successors, (112), 81 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2021-10-13 00:10:36,268 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 29 [2021-10-13 00:10:36,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:36,268 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2021-10-13 00:10:36,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,269 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2021-10-13 00:10:36,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:10:36,276 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:36,276 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:36,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:10:36,277 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:36,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:36,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1397643050, now seen corresponding path program 1 times [2021-10-13 00:10:36,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:36,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890348024] [2021-10-13 00:10:36,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:36,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:36,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890348024] [2021-10-13 00:10:36,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890348024] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:36,378 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:36,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:10:36,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291220586] [2021-10-13 00:10:36,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:10:36,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:36,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:10:36,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:10:36,387 INFO L87 Difference]: Start difference. First operand 82 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:36,451 INFO L93 Difference]: Finished difference Result 240 states and 330 transitions. [2021-10-13 00:10:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:10:36,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 00:10:36,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:36,456 INFO L225 Difference]: With dead ends: 240 [2021-10-13 00:10:36,456 INFO L226 Difference]: Without dead ends: 165 [2021-10-13 00:10:36,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.4ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:10:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-13 00:10:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 85. [2021-10-13 00:10:36,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 115 transitions. [2021-10-13 00:10:36,480 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 115 transitions. Word has length 33 [2021-10-13 00:10:36,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:36,481 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 115 transitions. [2021-10-13 00:10:36,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,481 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-13 00:10:36,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:10:36,482 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:36,482 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:36,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:10:36,483 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:36,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:36,483 INFO L82 PathProgramCache]: Analyzing trace with hash 2098707628, now seen corresponding path program 1 times [2021-10-13 00:10:36,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:36,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572757043] [2021-10-13 00:10:36,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:36,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:36,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572757043] [2021-10-13 00:10:36,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572757043] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:36,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:36,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:10:36,579 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779138009] [2021-10-13 00:10:36,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:10:36,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:36,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:10:36,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:10:36,580 INFO L87 Difference]: Start difference. First operand 85 states and 115 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:36,620 INFO L93 Difference]: Finished difference Result 211 states and 287 transitions. [2021-10-13 00:10:36,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:10:36,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 00:10:36,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:36,622 INFO L225 Difference]: With dead ends: 211 [2021-10-13 00:10:36,623 INFO L226 Difference]: Without dead ends: 133 [2021-10-13 00:10:36,625 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:10:36,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-13 00:10:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 87. [2021-10-13 00:10:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 117 transitions. [2021-10-13 00:10:36,652 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 117 transitions. Word has length 33 [2021-10-13 00:10:36,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:36,655 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 117 transitions. [2021-10-13 00:10:36,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,655 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 117 transitions. [2021-10-13 00:10:36,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-13 00:10:36,656 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:36,656 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:36,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:10:36,657 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:36,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:36,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1511901614, now seen corresponding path program 1 times [2021-10-13 00:10:36,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:36,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526446320] [2021-10-13 00:10:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,659 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:36,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:36,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:36,750 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526446320] [2021-10-13 00:10:36,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526446320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:36,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:36,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:10:36,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794286308] [2021-10-13 00:10:36,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:10:36,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:36,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:10:36,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:36,753 INFO L87 Difference]: Start difference. First operand 87 states and 117 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:36,792 INFO L93 Difference]: Finished difference Result 216 states and 292 transitions. [2021-10-13 00:10:36,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:10:36,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-13 00:10:36,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:36,794 INFO L225 Difference]: With dead ends: 216 [2021-10-13 00:10:36,794 INFO L226 Difference]: Without dead ends: 136 [2021-10-13 00:10:36,795 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:10:36,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-13 00:10:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-13 00:10:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.325925925925926) internal successors, (179), 135 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2021-10-13 00:10:36,822 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 33 [2021-10-13 00:10:36,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:36,822 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2021-10-13 00:10:36,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:36,823 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2021-10-13 00:10:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:10:36,827 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:36,827 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:36,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:10:36,828 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:36,828 INFO L82 PathProgramCache]: Analyzing trace with hash -888433554, now seen corresponding path program 1 times [2021-10-13 00:10:36,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:36,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466087426] [2021-10-13 00:10:36,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:36,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:37,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:37,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466087426] [2021-10-13 00:10:37,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466087426] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:10:37,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:10:37,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:10:37,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448698223] [2021-10-13 00:10:37,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:10:37,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:37,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:10:37,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:10:37,049 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:37,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:37,457 INFO L93 Difference]: Finished difference Result 616 states and 842 transitions. [2021-10-13 00:10:37,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:10:37,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-13 00:10:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:37,462 INFO L225 Difference]: With dead ends: 616 [2021-10-13 00:10:37,462 INFO L226 Difference]: Without dead ends: 536 [2021-10-13 00:10:37,463 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 82.4ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:10:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-10-13 00:10:37,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 222. [2021-10-13 00:10:37,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.330316742081448) internal successors, (294), 221 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 294 transitions. [2021-10-13 00:10:37,499 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 294 transitions. Word has length 34 [2021-10-13 00:10:37,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:37,499 INFO L470 AbstractCegarLoop]: Abstraction has 222 states and 294 transitions. [2021-10-13 00:10:37,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:37,500 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 294 transitions. [2021-10-13 00:10:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-13 00:10:37,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:10:37,501 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:10:37,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:10:37,502 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:10:37,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:10:37,502 INFO L82 PathProgramCache]: Analyzing trace with hash -513094318, now seen corresponding path program 1 times [2021-10-13 00:10:37,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:10:37,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487419225] [2021-10-13 00:10:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:37,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:10:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:37,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:10:37,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487419225] [2021-10-13 00:10:37,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487419225] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:37,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734219603] [2021-10-13 00:10:37,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:10:37,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:10:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:10:37,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:10:37,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:10:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:10:37,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:10:37,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:10:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:10:38,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734219603] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:10:38,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:10:38,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-13 00:10:38,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962491078] [2021-10-13 00:10:38,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:10:38,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:10:38,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:10:38,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:10:38,045 INFO L87 Difference]: Start difference. First operand 222 states and 294 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:38,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:10:38,365 INFO L93 Difference]: Finished difference Result 453 states and 603 transitions. [2021-10-13 00:10:38,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:10:38,365 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-10-13 00:10:38,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:10:38,366 INFO L225 Difference]: With dead ends: 453 [2021-10-13 00:10:38,366 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:10:38,367 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 58.1ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:10:38,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:10:38,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:10:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:10:38,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-13 00:10:38,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:10:38,369 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:10:38,369 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:10:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:10:38,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:10:38,372 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:10:38,373 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:10:38,373 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:10:38,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:10:38,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 00:10:38,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:10:38,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:38,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,588 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,604 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:39,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:10:42,213 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,214 INFO L853 garLoopResultBuilder]: At program point L729-2(lines 729 743) the Hoare annotation is: false [2021-10-13 00:10:42,214 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:10:42,214 INFO L857 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2021-10-13 00:10:42,214 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-10-13 00:10:42,214 INFO L853 garLoopResultBuilder]: At program point L697-1(lines 1 958) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse6 .cse2 .cse3) (and .cse0 .cse6 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-13 00:10:42,214 INFO L853 garLoopResultBuilder]: At program point L119(lines 119 125) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse5 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~0 0))))) [2021-10-13 00:10:42,215 INFO L853 garLoopResultBuilder]: At program point L119-1(lines 119 125) the Hoare annotation is: false [2021-10-13 00:10:42,215 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 119 125) the Hoare annotation is: false [2021-10-13 00:10:42,215 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2021-10-13 00:10:42,215 INFO L853 garLoopResultBuilder]: At program point L252(lines 237 255) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2021-10-13 00:10:42,215 INFO L853 garLoopResultBuilder]: At program point L252-1(lines 237 255) the Hoare annotation is: false [2021-10-13 00:10:42,215 INFO L853 garLoopResultBuilder]: At program point L252-2(lines 237 255) the Hoare annotation is: false [2021-10-13 00:10:42,215 INFO L857 garLoopResultBuilder]: For program point L848(lines 848 858) no Hoare annotation was computed. [2021-10-13 00:10:42,215 INFO L857 garLoopResultBuilder]: For program point L848-2(lines 848 858) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L848-4(lines 848 858) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 737) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L849-2(lines 849 855) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L857 garLoopResultBuilder]: For program point L849-4(lines 849 855) no Hoare annotation was computed. [2021-10-13 00:10:42,216 INFO L853 garLoopResultBuilder]: At program point L833(lines 112 118) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-13 00:10:42,216 INFO L853 garLoopResultBuilder]: At program point L833-1(lines 112 118) the Hoare annotation is: false [2021-10-13 00:10:42,217 INFO L853 garLoopResultBuilder]: At program point L833-2(lines 112 118) the Hoare annotation is: false [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point L949-1(lines 949 955) no Hoare annotation was computed. [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point L949-2(lines 949 955) no Hoare annotation was computed. [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-13 00:10:42,217 INFO L853 garLoopResultBuilder]: At program point L669-1(lines 669 675) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-13 00:10:42,217 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 888) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 809) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L860 garLoopResultBuilder]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point L689(lines 689 704) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 161) no Hoare annotation was computed. [2021-10-13 00:10:42,218 INFO L857 garLoopResultBuilder]: For program point L144-1(lines 144 161) no Hoare annotation was computed. [2021-10-13 00:10:42,219 INFO L857 garLoopResultBuilder]: For program point L144-2(lines 144 161) no Hoare annotation was computed. [2021-10-13 00:10:42,219 INFO L857 garLoopResultBuilder]: For program point L260(lines 260 266) no Hoare annotation was computed. [2021-10-13 00:10:42,219 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 260 266) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-13 00:10:42,219 INFO L853 garLoopResultBuilder]: At program point L954(lines 945 958) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2021-10-13 00:10:42,219 INFO L853 garLoopResultBuilder]: At program point L954-1(lines 945 958) the Hoare annotation is: false [2021-10-13 00:10:42,219 INFO L853 garLoopResultBuilder]: At program point L954-2(lines 945 958) the Hoare annotation is: false [2021-10-13 00:10:42,219 INFO L853 garLoopResultBuilder]: At program point L112(lines 108 130) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse5 (= ~pumpRunning~0 1)))) [2021-10-13 00:10:42,220 INFO L853 garLoopResultBuilder]: At program point L112-1(lines 108 130) the Hoare annotation is: false [2021-10-13 00:10:42,220 INFO L853 garLoopResultBuilder]: At program point L112-2(lines 108 130) the Hoare annotation is: false [2021-10-13 00:10:42,220 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 876) no Hoare annotation was computed. [2021-10-13 00:10:42,220 INFO L857 garLoopResultBuilder]: For program point L872-3(lines 872 876) no Hoare annotation was computed. [2021-10-13 00:10:42,220 INFO L857 garLoopResultBuilder]: For program point L872-6(lines 872 876) no Hoare annotation was computed. [2021-10-13 00:10:42,220 INFO L853 garLoopResultBuilder]: At program point L823(lines 818 825) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:10:42,220 INFO L857 garLoopResultBuilder]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L857 garLoopResultBuilder]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L857 garLoopResultBuilder]: For program point L246-3(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L857 garLoopResultBuilder]: For program point L246-5(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L857 garLoopResultBuilder]: For program point L246-6(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L857 garLoopResultBuilder]: For program point L246-8(lines 246 250) no Hoare annotation was computed. [2021-10-13 00:10:42,221 INFO L853 garLoopResultBuilder]: At program point L197(lines 192 200) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~pumpRunning~0 0) .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse4) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4 .cse5 .cse6)))) [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L709(lines 658 710) the Hoare annotation is: false [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 192 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 1)))) [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L197-2(lines 192 200) the Hoare annotation is: false [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L197-3(lines 192 200) the Hoare annotation is: false [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L197-4(lines 192 200) the Hoare annotation is: false [2021-10-13 00:10:42,222 INFO L853 garLoopResultBuilder]: At program point L197-5(lines 192 200) the Hoare annotation is: false [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point L660(lines 659 708) no Hoare annotation was computed. [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 156) no Hoare annotation was computed. [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 148 156) no Hoare annotation was computed. [2021-10-13 00:10:42,223 INFO L857 garLoopResultBuilder]: For program point L148-2(lines 148 156) no Hoare annotation was computed. [2021-10-13 00:10:42,224 INFO L853 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0))) (let ((.cse7 (= ~pumpRunning~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or .cse5 (<= ~waterLevel~0 1))) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~6 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse0 .cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 .cse4 .cse6 .cse7) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse6 (= ULTIMATE.start_processEnvironment_~tmp~0 0))))) [2021-10-13 00:10:42,224 INFO L853 garLoopResultBuilder]: At program point L941-1(lines 936 944) the Hoare annotation is: false [2021-10-13 00:10:42,224 INFO L853 garLoopResultBuilder]: At program point L941-2(lines 936 944) the Hoare annotation is: false [2021-10-13 00:10:42,224 INFO L857 garLoopResultBuilder]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-13 00:10:42,224 INFO L853 garLoopResultBuilder]: At program point L777(lines 773 779) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~6 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:10:42,224 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 958) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:10:42,225 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,225 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,225 INFO L857 garLoopResultBuilder]: For program point L84-2(line 84) no Hoare annotation was computed. [2021-10-13 00:10:42,225 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2021-10-13 00:10:42,225 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 1 958) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-13 00:10:42,225 INFO L860 garLoopResultBuilder]: At program point L811(lines 792 814) the Hoare annotation is: true [2021-10-13 00:10:42,225 INFO L857 garLoopResultBuilder]: For program point L844-2(lines 844 861) no Hoare annotation was computed. [2021-10-13 00:10:42,226 INFO L853 garLoopResultBuilder]: At program point L844-3(lines 1 958) the Hoare annotation is: false [2021-10-13 00:10:42,226 INFO L857 garLoopResultBuilder]: For program point L844-4(lines 844 861) no Hoare annotation was computed. [2021-10-13 00:10:42,226 INFO L857 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-10-13 00:10:42,226 INFO L853 garLoopResultBuilder]: At program point L844-5(lines 1 958) the Hoare annotation is: false [2021-10-13 00:10:42,226 INFO L853 garLoopResultBuilder]: At program point L679-1(lines 679 685) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0))) (let ((.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (or .cse1 (<= ~waterLevel~0 1))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse7 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse7 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3 .cse4 .cse5)))) [2021-10-13 00:10:42,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:10:42,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:10:42 BoogieIcfgContainer [2021-10-13 00:10:42,284 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:10:42,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:10:42,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:10:42,285 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:10:42,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:10:34" (3/4) ... [2021-10-13 00:10:42,290 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:10:42,312 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:10:42,313 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:10:42,314 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:10:42,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:10:42,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:10:42,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:10:42,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:10:42,357 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 00:10:42,360 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-13 00:10:42,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-13 00:10:42,361 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && 2 == waterLevel) && tmp == 2) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,362 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,364 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) [2021-10-13 00:10:42,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) [2021-10-13 00:10:42,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) [2021-10-13 00:10:42,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-13 00:10:42,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) [2021-10-13 00:10:42,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-13 00:10:42,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:10:42,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:10:42,451 INFO L168 Benchmark]: Toolchain (without parser) took 10660.48 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 77.4 MB in the beginning and 93.7 MB in the end (delta: -16.4 MB). Peak memory consumption was 19.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,452 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 89.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:10:42,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.44 ms. Allocated memory is still 113.2 MB. Free memory was 77.0 MB in the beginning and 80.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,454 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.78 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 76.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,454 INFO L168 Benchmark]: Boogie Preprocessor took 73.50 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,455 INFO L168 Benchmark]: RCFGBuilder took 1365.92 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 84.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,456 INFO L168 Benchmark]: TraceAbstraction took 8185.14 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 83.3 MB in the beginning and 101.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,456 INFO L168 Benchmark]: Witness Printer took 163.89 ms. Allocated memory is still 148.9 MB. Free memory was 101.1 MB in the beginning and 93.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:10:42,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 113.2 MB. Free memory was 89.4 MB in the beginning and 89.3 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 731.44 ms. Allocated memory is still 113.2 MB. Free memory was 77.0 MB in the beginning and 80.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.78 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 76.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.50 ms. Allocated memory is still 113.2 MB. Free memory was 76.4 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1365.92 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 84.0 MB in the end (delta: -9.6 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8185.14 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 83.3 MB in the beginning and 101.1 MB in the end (delta: -17.8 MB). Peak memory consumption was 84.6 MB. Max. memory is 16.1 GB. * Witness Printer took 163.89 ms. Allocated memory is still 148.9 MB. Free memory was 101.1 MB in the beginning and 93.7 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 84]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 89 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8033.9ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 43.3ms, AutomataDifference: 1499.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3611.7ms, InitialAbstractionConstructionTime: 22.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 838 SDtfs, 1134 SDslu, 1216 SDs, 0 SdLazy, 208 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 609.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 321.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 258.6ms AutomataMinimizationTime, 10 MinimizatonAttempts, 560 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 150 NumberOfFragments, 1044 HoareAnnotationTreeSize, 39 FomulaSimplifications, 46314 FormulaSimplificationTreeSizeReduction, 1003.2ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 13702 FormulaSimplificationTreeSizeReductionInter, 2587.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 106.2ms SsaConstructionTime, 563.8ms SatisfiabilityAnalysisTime, 1274.3ms InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 3 NumberOfNonLiveVariables, 423 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) && tmp == 0) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && 2 == waterLevel) && tmp == 2) && \result == 2) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && \result == 1) && tmp == 1)) || (((((((splverifierCounter == 0 && (2 == waterLevel || waterLevel <= 1)) && switchedOnBeforeTS == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 945]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:10:42,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_064e9732-57b0-4b5a-abe2-59a9d236dc2c/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...